How did china influence vietnam when vietnam was considered the southern barbarians of china?

China brought their irrigated agricultural styles, Chinese language, hairstyles, clothing, educated and Confucianism, examination system, Confucian style government.

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explanation:

answer

explanation

the given equation is

we can rewrite this as:

let

then the equation becomes:

the factors of 8 that sum up to -9 are {-1,-8}

we split the middle term with these factors to obtain,

we factor by grouping to obtain:

apply the zero product property to get:

but